Themes in science fiction literature
Time Travel (to the past, the the future, etc)
Phenomena (black holes, worm holes, etc)
Movies
Avengers: Endgame
Back To The Future
Christmas Chronicles 2
Alice in the Wonderland
Paycheck
Fictional worlds
Parallel universes
Star Wars (space travel)
Superintelligent and robots
Bumblebee
Transformer
Time Travel is a really common use theme in science fictions. It typically uses a time machine to travel the characters of the movie back in time, to the future, etc.
Godzilla vs King Kong
Back to the Future
Guardians of the Galaxy Vol. 2
Jimmy Neutron: Boy Genius
Cerebral science
Eternal sunshine of the spotless mind
Jurassic Park
The matrix
Godzilla